./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label46.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07aee4c610ca5df19eddf279f1d60d413334bf4a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:29:14,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:29:14,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:29:14,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:29:14,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:29:14,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:29:14,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:29:14,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:29:14,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:29:14,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:29:14,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:29:14,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:29:14,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:29:14,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:29:14,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:29:14,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:29:14,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:29:14,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:29:14,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:29:14,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:29:14,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:29:14,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:29:14,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:29:14,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:29:14,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:29:14,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:29:14,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:29:14,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:29:14,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:29:14,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:29:14,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:29:14,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:29:14,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:29:14,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:29:14,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:29:14,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:29:14,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:29:14,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:29:14,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:29:14,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:29:14,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:29:14,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:29:14,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:29:14,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:29:14,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:29:14,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:29:14,529 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:29:14,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:29:14,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:29:14,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:29:14,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:29:14,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:29:14,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:29:14,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:29:14,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:29:14,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:29:14,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:29:14,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:29:14,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:29:14,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:29:14,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:29:14,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:29:14,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:29:14,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:29:14,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:29:14,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:29:14,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:29:14,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:29:14,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:29:14,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:29:14,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:29:14,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07aee4c610ca5df19eddf279f1d60d413334bf4a [2020-10-19 23:29:14,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:29:14,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:29:14,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:29:14,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:29:14,736 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:29:14,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-10-19 23:29:14,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81647e099/8074dce9376f4907b4be505bf364a178/FLAG538063aa9 [2020-10-19 23:29:15,346 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:29:15,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label46.c [2020-10-19 23:29:15,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81647e099/8074dce9376f4907b4be505bf364a178/FLAG538063aa9 [2020-10-19 23:29:15,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81647e099/8074dce9376f4907b4be505bf364a178 [2020-10-19 23:29:15,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:29:15,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:29:15,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:15,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:29:15,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:29:15,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:15" (1/1) ... [2020-10-19 23:29:15,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e31e559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:15, skipping insertion in model container [2020-10-19 23:29:15,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:29:15" (1/1) ... [2020-10-19 23:29:15,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:29:15,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:29:16,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:16,277 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:29:16,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:29:16,452 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:29:16,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16 WrapperNode [2020-10-19 23:29:16,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:29:16,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:16,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:29:16,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:29:16,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:29:16,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:29:16,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:29:16,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:29:16,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... [2020-10-19 23:29:16,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:29:16,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:29:16,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:29:16,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:29:16,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:29:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:29:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:29:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:29:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:29:18,388 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:29:18,388 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:29:18,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:18 BoogieIcfgContainer [2020-10-19 23:29:18,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:29:18,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:29:18,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:29:18,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:29:18,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:29:15" (1/3) ... [2020-10-19 23:29:18,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a33cec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:18, skipping insertion in model container [2020-10-19 23:29:18,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:29:16" (2/3) ... [2020-10-19 23:29:18,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a33cec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:29:18, skipping insertion in model container [2020-10-19 23:29:18,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:18" (3/3) ... [2020-10-19 23:29:18,398 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label46.c [2020-10-19 23:29:18,410 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:29:18,418 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:29:18,432 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:29:18,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:29:18,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:29:18,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:29:18,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:29:18,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:29:18,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:29:18,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:29:18,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:29:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:29:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-19 23:29:18,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:18,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:18,492 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:18,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:18,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2020-10-19 23:29:18,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:18,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089525965] [2020-10-19 23:29:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:29:18,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089525965] [2020-10-19 23:29:18,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:18,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:18,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740785604] [2020-10-19 23:29:18,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:18,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:18,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:18,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:18,835 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 4 states. [2020-10-19 23:29:20,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:20,788 INFO L93 Difference]: Finished difference Result 853 states and 1561 transitions. [2020-10-19 23:29:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:20,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-10-19 23:29:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:20,819 INFO L225 Difference]: With dead ends: 853 [2020-10-19 23:29:20,820 INFO L226 Difference]: Without dead ends: 538 [2020-10-19 23:29:20,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:20,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-19 23:29:20,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-10-19 23:29:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-19 23:29:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2020-10-19 23:29:20,909 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 39 [2020-10-19 23:29:20,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:20,910 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2020-10-19 23:29:20,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2020-10-19 23:29:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-19 23:29:20,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:20,920 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:20,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:29:20,920 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:20,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1994003883, now seen corresponding path program 1 times [2020-10-19 23:29:20,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:20,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635941948] [2020-10-19 23:29:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-19 23:29:21,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635941948] [2020-10-19 23:29:21,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:21,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:29:21,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130371076] [2020-10-19 23:29:21,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:21,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:21,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:21,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:21,217 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand 3 states. [2020-10-19 23:29:22,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:22,122 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2020-10-19 23:29:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:22,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-10-19 23:29:22,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:22,127 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:29:22,127 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:29:22,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:22,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:29:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-19 23:29:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:29:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2020-10-19 23:29:22,158 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 187 [2020-10-19 23:29:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:22,159 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2020-10-19 23:29:22,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2020-10-19 23:29:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-19 23:29:22,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:22,165 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:22,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:29:22,165 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:22,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash 399094668, now seen corresponding path program 1 times [2020-10-19 23:29:22,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:22,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797420799] [2020-10-19 23:29:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 23:29:22,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797420799] [2020-10-19 23:29:22,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:22,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:22,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211274330] [2020-10-19 23:29:22,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:22,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:22,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:22,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:22,625 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand 4 states. [2020-10-19 23:29:23,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:23,929 INFO L93 Difference]: Finished difference Result 1637 states and 2268 transitions. [2020-10-19 23:29:23,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:23,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2020-10-19 23:29:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:23,939 INFO L225 Difference]: With dead ends: 1637 [2020-10-19 23:29:23,939 INFO L226 Difference]: Without dead ends: 1072 [2020-10-19 23:29:23,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-19 23:29:23,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2020-10-19 23:29:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:29:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1047 transitions. [2020-10-19 23:29:23,962 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1047 transitions. Word has length 210 [2020-10-19 23:29:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:23,963 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1047 transitions. [2020-10-19 23:29:23,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1047 transitions. [2020-10-19 23:29:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-19 23:29:23,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:23,986 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:23,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:29:23,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:23,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:23,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1647428544, now seen corresponding path program 1 times [2020-10-19 23:29:23,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:23,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831241920] [2020-10-19 23:29:23,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 174 proven. 130 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-19 23:29:24,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831241920] [2020-10-19 23:29:24,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405626508] [2020-10-19 23:29:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:24,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:24,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-10-19 23:29:24,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:24,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:24,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642190708] [2020-10-19 23:29:24,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:24,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:24,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:24,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:24,954 INFO L87 Difference]: Start difference. First operand 894 states and 1047 transitions. Second operand 3 states. [2020-10-19 23:29:25,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:25,749 INFO L93 Difference]: Finished difference Result 2320 states and 2778 transitions. [2020-10-19 23:29:25,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:25,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-10-19 23:29:25,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:25,760 INFO L225 Difference]: With dead ends: 2320 [2020-10-19 23:29:25,760 INFO L226 Difference]: Without dead ends: 1606 [2020-10-19 23:29:25,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:25,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-10-19 23:29:25,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2020-10-19 23:29:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-10-19 23:29:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1627 transitions. [2020-10-19 23:29:25,801 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1627 transitions. Word has length 341 [2020-10-19 23:29:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:25,804 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1627 transitions. [2020-10-19 23:29:25,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1627 transitions. [2020-10-19 23:29:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2020-10-19 23:29:25,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:25,818 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:26,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:26,033 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:26,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:26,034 INFO L82 PathProgramCache]: Analyzing trace with hash 24129947, now seen corresponding path program 1 times [2020-10-19 23:29:26,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:26,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860823706] [2020-10-19 23:29:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:26,752 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 539 proven. 130 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-19 23:29:26,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860823706] [2020-10-19 23:29:26,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383789708] [2020-10-19 23:29:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:26,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:26,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2020-10-19 23:29:27,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:27,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:29:27,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786395633] [2020-10-19 23:29:27,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:27,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:27,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:27,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:27,188 INFO L87 Difference]: Start difference. First operand 1428 states and 1627 transitions. Second operand 3 states. [2020-10-19 23:29:28,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:28,033 INFO L93 Difference]: Finished difference Result 3388 states and 3938 transitions. [2020-10-19 23:29:28,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:28,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 440 [2020-10-19 23:29:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:28,045 INFO L225 Difference]: With dead ends: 3388 [2020-10-19 23:29:28,046 INFO L226 Difference]: Without dead ends: 2140 [2020-10-19 23:29:28,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-19 23:29:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2020-10-19 23:29:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:29:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2218 transitions. [2020-10-19 23:29:28,088 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2218 transitions. Word has length 440 [2020-10-19 23:29:28,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:28,089 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2218 transitions. [2020-10-19 23:29:28,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2218 transitions. [2020-10-19 23:29:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2020-10-19 23:29:28,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:28,100 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:28,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:28,313 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:28,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:28,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1573156034, now seen corresponding path program 1 times [2020-10-19 23:29:28,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:28,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285543057] [2020-10-19 23:29:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 596 proven. 130 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-19 23:29:29,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285543057] [2020-10-19 23:29:29,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305279502] [2020-10-19 23:29:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:29,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:29:29,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-19 23:29:29,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:29,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-10-19 23:29:29,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639253837] [2020-10-19 23:29:29,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:29,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:29,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:29,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:29,691 INFO L87 Difference]: Start difference. First operand 1962 states and 2218 transitions. Second operand 3 states. [2020-10-19 23:29:30,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:30,395 INFO L93 Difference]: Finished difference Result 3922 states and 4449 transitions. [2020-10-19 23:29:30,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:30,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 459 [2020-10-19 23:29:30,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:30,405 INFO L225 Difference]: With dead ends: 3922 [2020-10-19 23:29:30,405 INFO L226 Difference]: Without dead ends: 2140 [2020-10-19 23:29:30,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-10-19 23:29:30,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-10-19 23:29:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:29:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2388 transitions. [2020-10-19 23:29:30,447 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2388 transitions. Word has length 459 [2020-10-19 23:29:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:30,448 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2388 transitions. [2020-10-19 23:29:30,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2388 transitions. [2020-10-19 23:29:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-10-19 23:29:30,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:30,453 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:30,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:30,667 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:30,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:30,668 INFO L82 PathProgramCache]: Analyzing trace with hash 874253973, now seen corresponding path program 1 times [2020-10-19 23:29:30,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:30,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101738815] [2020-10-19 23:29:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-10-19 23:29:31,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101738815] [2020-10-19 23:29:31,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:31,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:31,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145359007] [2020-10-19 23:29:31,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:31,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:31,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:31,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:31,102 INFO L87 Difference]: Start difference. First operand 2140 states and 2388 transitions. Second operand 3 states. [2020-10-19 23:29:31,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:31,939 INFO L93 Difference]: Finished difference Result 4634 states and 5267 transitions. [2020-10-19 23:29:31,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:31,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 526 [2020-10-19 23:29:31,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:31,952 INFO L225 Difference]: With dead ends: 4634 [2020-10-19 23:29:31,952 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:29:31,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:29:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:29:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:29:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2809 transitions. [2020-10-19 23:29:31,999 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2809 transitions. Word has length 526 [2020-10-19 23:29:32,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:32,000 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2809 transitions. [2020-10-19 23:29:32,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2809 transitions. [2020-10-19 23:29:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-10-19 23:29:32,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:32,008 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:32,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:29:32,009 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:32,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:32,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1117200770, now seen corresponding path program 1 times [2020-10-19 23:29:32,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:32,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062690826] [2020-10-19 23:29:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 873 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-19 23:29:32,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062690826] [2020-10-19 23:29:32,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:32,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:32,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814418708] [2020-10-19 23:29:32,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:32,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:32,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:32,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:32,540 INFO L87 Difference]: Start difference. First operand 2496 states and 2809 transitions. Second operand 3 states. [2020-10-19 23:29:33,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:33,262 INFO L93 Difference]: Finished difference Result 5880 states and 6687 transitions. [2020-10-19 23:29:33,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:33,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 639 [2020-10-19 23:29:33,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:33,275 INFO L225 Difference]: With dead ends: 5880 [2020-10-19 23:29:33,276 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:29:33,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:33,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:29:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2020-10-19 23:29:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-10-19 23:29:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4000 transitions. [2020-10-19 23:29:33,337 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4000 transitions. Word has length 639 [2020-10-19 23:29:33,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:33,338 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 4000 transitions. [2020-10-19 23:29:33,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4000 transitions. [2020-10-19 23:29:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2020-10-19 23:29:33,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:33,346 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:33,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:29:33,347 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:33,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1111826348, now seen corresponding path program 1 times [2020-10-19 23:29:33,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:33,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26264603] [2020-10-19 23:29:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1284 backedges. 1005 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-19 23:29:34,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26264603] [2020-10-19 23:29:34,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:34,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:34,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14822866] [2020-10-19 23:29:34,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:34,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:34,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:34,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:34,014 INFO L87 Difference]: Start difference. First operand 3564 states and 4000 transitions. Second operand 3 states. [2020-10-19 23:29:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:34,729 INFO L93 Difference]: Finished difference Result 6948 states and 7819 transitions. [2020-10-19 23:29:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:34,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 699 [2020-10-19 23:29:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:34,743 INFO L225 Difference]: With dead ends: 6948 [2020-10-19 23:29:34,743 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:29:34,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:34,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:29:34,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3564. [2020-10-19 23:29:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-10-19 23:29:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3967 transitions. [2020-10-19 23:29:34,804 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3967 transitions. Word has length 699 [2020-10-19 23:29:34,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:34,805 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3967 transitions. [2020-10-19 23:29:34,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3967 transitions. [2020-10-19 23:29:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2020-10-19 23:29:34,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:34,818 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:34,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:29:34,818 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:34,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:34,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1378000360, now seen corresponding path program 1 times [2020-10-19 23:29:34,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:34,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555352051] [2020-10-19 23:29:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 824 proven. 23 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2020-10-19 23:29:35,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555352051] [2020-10-19 23:29:35,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895406577] [2020-10-19 23:29:35,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:35,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 587 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2020-10-19 23:29:36,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:36,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:29:36,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596503269] [2020-10-19 23:29:36,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:36,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:36,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:36,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:29:36,392 INFO L87 Difference]: Start difference. First operand 3564 states and 3967 transitions. Second operand 3 states. [2020-10-19 23:29:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:37,339 INFO L93 Difference]: Finished difference Result 7482 states and 8425 transitions. [2020-10-19 23:29:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:37,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 723 [2020-10-19 23:29:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:37,353 INFO L225 Difference]: With dead ends: 7482 [2020-10-19 23:29:37,353 INFO L226 Difference]: Without dead ends: 4098 [2020-10-19 23:29:37,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 722 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:29:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-10-19 23:29:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2020-10-19 23:29:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-10-19 23:29:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4610 transitions. [2020-10-19 23:29:37,421 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4610 transitions. Word has length 723 [2020-10-19 23:29:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:37,422 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4610 transitions. [2020-10-19 23:29:37,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4610 transitions. [2020-10-19 23:29:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2020-10-19 23:29:37,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:37,431 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:37,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:37,647 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:37,647 INFO L82 PathProgramCache]: Analyzing trace with hash -502116227, now seen corresponding path program 1 times [2020-10-19 23:29:37,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:37,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988080255] [2020-10-19 23:29:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 857 proven. 23 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-19 23:29:38,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988080255] [2020-10-19 23:29:38,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998129344] [2020-10-19 23:29:38,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:38,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:29:38,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-19 23:29:39,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:39,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:29:39,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507273906] [2020-10-19 23:29:39,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:39,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:39,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:39,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:39,054 INFO L87 Difference]: Start difference. First operand 4098 states and 4610 transitions. Second operand 4 states. [2020-10-19 23:29:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:40,121 INFO L93 Difference]: Finished difference Result 8550 states and 9616 transitions. [2020-10-19 23:29:40,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:40,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 752 [2020-10-19 23:29:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:40,135 INFO L225 Difference]: With dead ends: 8550 [2020-10-19 23:29:40,136 INFO L226 Difference]: Without dead ends: 4276 [2020-10-19 23:29:40,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-19 23:29:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3920. [2020-10-19 23:29:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:29:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4240 transitions. [2020-10-19 23:29:40,191 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4240 transitions. Word has length 752 [2020-10-19 23:29:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:40,192 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4240 transitions. [2020-10-19 23:29:40,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4240 transitions. [2020-10-19 23:29:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2020-10-19 23:29:40,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:40,202 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:40,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-19 23:29:40,417 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:40,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1432685545, now seen corresponding path program 1 times [2020-10-19 23:29:40,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:40,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526131987] [2020-10-19 23:29:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1413 proven. 155 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-19 23:29:41,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526131987] [2020-10-19 23:29:41,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441633497] [2020-10-19 23:29:41,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:41,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:29:41,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1413 proven. 155 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-10-19 23:29:41,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 23:29:41,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 23:29:41,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3941324] [2020-10-19 23:29:41,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:41,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:41,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:41,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:41,800 INFO L87 Difference]: Start difference. First operand 3920 states and 4240 transitions. Second operand 4 states. [2020-10-19 23:29:42,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:42,886 INFO L93 Difference]: Finished difference Result 9262 states and 10023 transitions. [2020-10-19 23:29:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:42,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 823 [2020-10-19 23:29:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:42,909 INFO L225 Difference]: With dead ends: 9262 [2020-10-19 23:29:42,909 INFO L226 Difference]: Without dead ends: 5522 [2020-10-19 23:29:42,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:29:42,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-10-19 23:29:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4988. [2020-10-19 23:29:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-10-19 23:29:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5389 transitions. [2020-10-19 23:29:42,971 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5389 transitions. Word has length 823 [2020-10-19 23:29:42,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:42,972 INFO L481 AbstractCegarLoop]: Abstraction has 4988 states and 5389 transitions. [2020-10-19 23:29:42,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5389 transitions. [2020-10-19 23:29:42,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2020-10-19 23:29:42,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:42,984 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:43,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:43,199 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:43,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1828051469, now seen corresponding path program 1 times [2020-10-19 23:29:43,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:43,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613846379] [2020-10-19 23:29:43,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2405 backedges. 1706 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2020-10-19 23:29:44,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613846379] [2020-10-19 23:29:44,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:44,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:44,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316149635] [2020-10-19 23:29:44,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:44,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:44,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:44,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:44,219 INFO L87 Difference]: Start difference. First operand 4988 states and 5389 transitions. Second operand 3 states. [2020-10-19 23:29:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:44,946 INFO L93 Difference]: Finished difference Result 9796 states and 10597 transitions. [2020-10-19 23:29:44,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:44,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 913 [2020-10-19 23:29:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:44,955 INFO L225 Difference]: With dead ends: 9796 [2020-10-19 23:29:44,956 INFO L226 Difference]: Without dead ends: 4988 [2020-10-19 23:29:44,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2020-10-19 23:29:45,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4454. [2020-10-19 23:29:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2020-10-19 23:29:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4767 transitions. [2020-10-19 23:29:45,018 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4767 transitions. Word has length 913 [2020-10-19 23:29:45,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:45,019 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4767 transitions. [2020-10-19 23:29:45,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4767 transitions. [2020-10-19 23:29:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991 [2020-10-19 23:29:45,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:45,041 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:45,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 23:29:45,042 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:45,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:45,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1285883498, now seen corresponding path program 1 times [2020-10-19 23:29:45,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:45,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37931876] [2020-10-19 23:29:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:46,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-10-19 23:29:46,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37931876] [2020-10-19 23:29:46,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:46,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:46,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712190633] [2020-10-19 23:29:46,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:46,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:46,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:46,069 INFO L87 Difference]: Start difference. First operand 4454 states and 4767 transitions. Second operand 3 states. [2020-10-19 23:29:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:46,749 INFO L93 Difference]: Finished difference Result 8728 states and 9353 transitions. [2020-10-19 23:29:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:46,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 990 [2020-10-19 23:29:46,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:46,764 INFO L225 Difference]: With dead ends: 8728 [2020-10-19 23:29:46,764 INFO L226 Difference]: Without dead ends: 4454 [2020-10-19 23:29:46,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:46,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2020-10-19 23:29:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2020-10-19 23:29:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2020-10-19 23:29:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4693 transitions. [2020-10-19 23:29:46,825 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4693 transitions. Word has length 990 [2020-10-19 23:29:46,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:46,826 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4693 transitions. [2020-10-19 23:29:46,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4693 transitions. [2020-10-19 23:29:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2020-10-19 23:29:46,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:46,847 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:46,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:29:46,848 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:46,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1420771325, now seen corresponding path program 1 times [2020-10-19 23:29:46,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:46,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195425054] [2020-10-19 23:29:46,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2476 proven. 72 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2020-10-19 23:29:47,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195425054] [2020-10-19 23:29:47,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178783877] [2020-10-19 23:29:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:47,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 23:29:47,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:48,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:29:48,031 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:29:48,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-19 23:29:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 2189 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2020-10-19 23:29:51,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:51,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2020-10-19 23:29:51,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152469823] [2020-10-19 23:29:51,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:29:51,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:51,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:29:51,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:51,475 INFO L87 Difference]: Start difference. First operand 4454 states and 4693 transitions. Second operand 4 states. [2020-10-19 23:29:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:54,168 INFO L93 Difference]: Finished difference Result 10330 states and 10894 transitions. [2020-10-19 23:29:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:29:54,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1036 [2020-10-19 23:29:54,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:54,179 INFO L225 Difference]: With dead ends: 10330 [2020-10-19 23:29:54,180 INFO L226 Difference]: Without dead ends: 6056 [2020-10-19 23:29:54,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:29:54,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2020-10-19 23:29:54,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 5166. [2020-10-19 23:29:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-10-19 23:29:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5432 transitions. [2020-10-19 23:29:54,245 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5432 transitions. Word has length 1036 [2020-10-19 23:29:54,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:54,246 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5432 transitions. [2020-10-19 23:29:54,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:29:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5432 transitions. [2020-10-19 23:29:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2020-10-19 23:29:54,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:54,261 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:54,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-19 23:29:54,475 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:54,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:54,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1606043858, now seen corresponding path program 1 times [2020-10-19 23:29:54,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:54,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755095291] [2020-10-19 23:29:54,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4663 backedges. 1978 proven. 0 refuted. 0 times theorem prover too weak. 2685 trivial. 0 not checked. [2020-10-19 23:29:55,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755095291] [2020-10-19 23:29:55,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:29:55,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:29:55,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114057999] [2020-10-19 23:29:55,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:55,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:55,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:55,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:55,726 INFO L87 Difference]: Start difference. First operand 5166 states and 5432 transitions. Second operand 3 states. [2020-10-19 23:29:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:56,409 INFO L93 Difference]: Finished difference Result 10508 states and 11059 transitions. [2020-10-19 23:29:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:56,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1183 [2020-10-19 23:29:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:56,421 INFO L225 Difference]: With dead ends: 10508 [2020-10-19 23:29:56,422 INFO L226 Difference]: Without dead ends: 5522 [2020-10-19 23:29:56,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:29:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-10-19 23:29:56,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5166. [2020-10-19 23:29:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-10-19 23:29:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5422 transitions. [2020-10-19 23:29:56,502 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5422 transitions. Word has length 1183 [2020-10-19 23:29:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:56,503 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5422 transitions. [2020-10-19 23:29:56,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5422 transitions. [2020-10-19 23:29:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1498 [2020-10-19 23:29:56,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:56,594 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:29:56,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 23:29:56,594 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:56,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:56,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1313982443, now seen corresponding path program 1 times [2020-10-19 23:29:56,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:56,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003989051] [2020-10-19 23:29:56,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 7083 backedges. 4482 proven. 252 refuted. 0 times theorem prover too weak. 2349 trivial. 0 not checked. [2020-10-19 23:29:59,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003989051] [2020-10-19 23:29:59,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707335687] [2020-10-19 23:29:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:30:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:00,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1838 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 23:30:00,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:30:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7083 backedges. 2470 proven. 0 refuted. 0 times theorem prover too weak. 4613 trivial. 0 not checked. [2020-10-19 23:30:01,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:30:01,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 23:30:01,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295285608] [2020-10-19 23:30:01,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:01,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:01,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:01,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:30:01,055 INFO L87 Difference]: Start difference. First operand 5166 states and 5422 transitions. Second operand 3 states. [2020-10-19 23:30:01,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:01,744 INFO L93 Difference]: Finished difference Result 10330 states and 10847 transitions. [2020-10-19 23:30:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:01,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1497 [2020-10-19 23:30:01,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:01,754 INFO L225 Difference]: With dead ends: 10330 [2020-10-19 23:30:01,754 INFO L226 Difference]: Without dead ends: 5344 [2020-10-19 23:30:01,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1501 GetRequests, 1496 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:30:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-10-19 23:30:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5344. [2020-10-19 23:30:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-10-19 23:30:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5582 transitions. [2020-10-19 23:30:01,819 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5582 transitions. Word has length 1497 [2020-10-19 23:30:01,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:01,821 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5582 transitions. [2020-10-19 23:30:01,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5582 transitions. [2020-10-19 23:30:01,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2020-10-19 23:30:01,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:01,857 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:02,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-19 23:30:02,058 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:02,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:02,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1478012694, now seen corresponding path program 1 times [2020-10-19 23:30:02,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:02,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894418020] [2020-10-19 23:30:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8594 backedges. 4979 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2020-10-19 23:30:05,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894418020] [2020-10-19 23:30:05,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:05,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:30:05,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486380696] [2020-10-19 23:30:05,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:30:05,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:30:05,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:30:05,822 INFO L87 Difference]: Start difference. First operand 5344 states and 5582 transitions. Second operand 7 states. [2020-10-19 23:30:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:08,155 INFO L93 Difference]: Finished difference Result 14617 states and 15339 transitions. [2020-10-19 23:30:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:30:08,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1650 [2020-10-19 23:30:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:08,167 INFO L225 Difference]: With dead ends: 14617 [2020-10-19 23:30:08,168 INFO L226 Difference]: Without dead ends: 9438 [2020-10-19 23:30:08,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:30:08,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9438 states. [2020-10-19 23:30:08,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9438 to 8192. [2020-10-19 23:30:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8192 states. [2020-10-19 23:30:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8192 states to 8192 states and 8515 transitions. [2020-10-19 23:30:08,276 INFO L78 Accepts]: Start accepts. Automaton has 8192 states and 8515 transitions. Word has length 1650 [2020-10-19 23:30:08,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:08,277 INFO L481 AbstractCegarLoop]: Abstraction has 8192 states and 8515 transitions. [2020-10-19 23:30:08,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:30:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 8192 states and 8515 transitions. [2020-10-19 23:30:08,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1730 [2020-10-19 23:30:08,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:08,300 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:08,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-19 23:30:08,300 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:08,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:08,301 INFO L82 PathProgramCache]: Analyzing trace with hash 840498536, now seen corresponding path program 1 times [2020-10-19 23:30:08,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:08,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289642577] [2020-10-19 23:30:08,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9775 backedges. 6630 proven. 0 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2020-10-19 23:30:10,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289642577] [2020-10-19 23:30:10,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:10,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:30:10,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196384240] [2020-10-19 23:30:10,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:30:10,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:10,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:30:10,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:10,487 INFO L87 Difference]: Start difference. First operand 8192 states and 8515 transitions. Second operand 4 states. [2020-10-19 23:30:11,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:11,714 INFO L93 Difference]: Finished difference Result 16382 states and 17043 transitions. [2020-10-19 23:30:11,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:30:11,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1729 [2020-10-19 23:30:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:11,724 INFO L225 Difference]: With dead ends: 16382 [2020-10-19 23:30:11,725 INFO L226 Difference]: Without dead ends: 8370 [2020-10-19 23:30:11,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:11,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8370 states. [2020-10-19 23:30:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8370 to 8014. [2020-10-19 23:30:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8014 states. [2020-10-19 23:30:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 8277 transitions. [2020-10-19 23:30:11,819 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 8277 transitions. Word has length 1729 [2020-10-19 23:30:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:11,820 INFO L481 AbstractCegarLoop]: Abstraction has 8014 states and 8277 transitions. [2020-10-19 23:30:11,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:30:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 8277 transitions. [2020-10-19 23:30:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1747 [2020-10-19 23:30:11,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:11,850 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:11,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-19 23:30:11,850 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:11,851 INFO L82 PathProgramCache]: Analyzing trace with hash -261440720, now seen corresponding path program 1 times [2020-10-19 23:30:11,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:11,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613701524] [2020-10-19 23:30:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 2804 proven. 1045 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2020-10-19 23:30:14,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613701524] [2020-10-19 23:30:14,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850424774] [2020-10-19 23:30:14,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:30:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:14,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 2137 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:30:14,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:30:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9575 backedges. 3849 proven. 0 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2020-10-19 23:30:16,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:30:16,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:30:16,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852648815] [2020-10-19 23:30:16,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:30:16,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:30:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:30:16,108 INFO L87 Difference]: Start difference. First operand 8014 states and 8277 transitions. Second operand 3 states. [2020-10-19 23:30:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:16,784 INFO L93 Difference]: Finished difference Result 15670 states and 16153 transitions. [2020-10-19 23:30:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:30:16,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1746 [2020-10-19 23:30:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:16,789 INFO L225 Difference]: With dead ends: 15670 [2020-10-19 23:30:16,789 INFO L226 Difference]: Without dead ends: 3742 [2020-10-19 23:30:16,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1749 GetRequests, 1745 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:30:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-19 23:30:16,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2020-10-19 23:30:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-10-19 23:30:16,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3600 transitions. [2020-10-19 23:30:16,821 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3600 transitions. Word has length 1746 [2020-10-19 23:30:16,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:16,822 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3600 transitions. [2020-10-19 23:30:16,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:30:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3600 transitions. [2020-10-19 23:30:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2020-10-19 23:30:16,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:16,842 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:17,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:30:17,045 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:17,047 INFO L82 PathProgramCache]: Analyzing trace with hash 743983026, now seen corresponding path program 1 times [2020-10-19 23:30:17,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:17,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286641375] [2020-10-19 23:30:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10935 backedges. 2784 proven. 0 refuted. 0 times theorem prover too weak. 8151 trivial. 0 not checked. [2020-10-19 23:30:20,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286641375] [2020-10-19 23:30:20,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:20,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:30:20,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850695184] [2020-10-19 23:30:20,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 23:30:20,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:20,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 23:30:20,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:20,197 INFO L87 Difference]: Start difference. First operand 3564 states and 3600 transitions. Second operand 5 states. [2020-10-19 23:30:21,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:21,167 INFO L93 Difference]: Finished difference Result 4283 states and 4330 transitions. [2020-10-19 23:30:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 23:30:21,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1817 [2020-10-19 23:30:21,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:21,173 INFO L225 Difference]: With dead ends: 4283 [2020-10-19 23:30:21,173 INFO L226 Difference]: Without dead ends: 4098 [2020-10-19 23:30:21,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:30:21,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-10-19 23:30:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-10-19 23:30:21,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:30:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 3962 transitions. [2020-10-19 23:30:21,201 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 3962 transitions. Word has length 1817 [2020-10-19 23:30:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:21,202 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 3962 transitions. [2020-10-19 23:30:21,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 23:30:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 3962 transitions. [2020-10-19 23:30:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2120 [2020-10-19 23:30:21,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:30:21,236 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:30:21,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-19 23:30:21,236 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:30:21,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:30:21,237 INFO L82 PathProgramCache]: Analyzing trace with hash 211603703, now seen corresponding path program 1 times [2020-10-19 23:30:21,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:30:21,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223767726] [2020-10-19 23:30:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:30:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:30:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14529 backedges. 3210 proven. 0 refuted. 0 times theorem prover too weak. 11319 trivial. 0 not checked. [2020-10-19 23:30:25,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223767726] [2020-10-19 23:30:25,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:30:25,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 23:30:25,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063086300] [2020-10-19 23:30:25,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:30:25,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:30:25,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:30:25,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:25,625 INFO L87 Difference]: Start difference. First operand 3920 states and 3962 transitions. Second operand 4 states. [2020-10-19 23:30:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:30:26,506 INFO L93 Difference]: Finished difference Result 3925 states and 3967 transitions. [2020-10-19 23:30:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:30:26,508 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 2119 [2020-10-19 23:30:26,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:30:26,510 INFO L225 Difference]: With dead ends: 3925 [2020-10-19 23:30:26,510 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:30:26,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:30:26,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:30:26,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:30:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:30:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:30:26,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2119 [2020-10-19 23:30:26,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:30:26,514 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:30:26,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:30:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:30:26,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:30:26,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-19 23:30:26,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:30:26,671 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 172 [2020-10-19 23:30:26,784 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 172 [2020-10-19 23:30:28,212 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 160 DAG size of output: 110 [2020-10-19 23:30:29,603 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 160 DAG size of output: 110 [2020-10-19 23:30:29,609 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:30:29,610 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:30:29,611 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:30:29,612 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:30:29,613 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,614 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,615 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,616 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,617 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:30:29,618 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:30:29,619 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:30:29,620 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:30:29,621 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:30:29,622 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:30:29,623 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:30:29,624 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,625 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,626 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7)) (.cse17 (<= 7 ~a21~0)) (.cse16 (<= ~a21~0 7)) (.cse3 (<= 9 ~a21~0)) (.cse2 (<= 20 ~a12~0)) (.cse11 (<= (+ ~a12~0 49) 0)) (.cse14 (<= (+ ~a12~0 43) 0)) (.cse8 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse5 (<= ~a15~0 8)) (.cse7 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 11)) (.cse20 (<= 10 ~a21~0)) (.cse18 (let ((.cse23 (div (+ ~a12~0 (- 600066)) 5))) (or (<= (+ .cse23 14) 0) (and (let ((.cse24 (+ ~a12~0 4))) (= .cse24 (* (div .cse24 5) 5))) (<= (+ .cse23 13) 0))))) (.cse19 (<= 95382 ~a12~0)) (.cse15 (<= ~a21~0 6)) (.cse6 (= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse10 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 (not .cse6)) (and .cse7 .cse8 .cse4 .cse1 .cse9 .cse10) (and .cse3 .cse11 .cse1 .cse5) (and .cse8 .cse1 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse12 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse13 (+ (* 5 aux_div_v_~a12~0_438_31) .cse12))) (and (< .cse12 5) (<= ~a12~0 aux_div_v_~a12~0_438_31) (<= .cse13 366413) (< 366344 .cse13) (<= 0 .cse12))))) .cse10 .cse2) (and .cse0 .cse14 .cse15) (and .cse16 .cse0 .cse1) (and .cse17 .cse18 .cse1 .cse9 .cse2) (and (<= ~a24~0 1) .cse14 .cse5 .cse15) (and .cse1 .cse5 .cse19 .cse15) (and .cse7 .cse0 .cse3 .cse1) (and .cse0 .cse1 .cse20) (and .cse17 .cse7 .cse16 .cse4 .cse1 .cse5) (and .cse3 .cse1 (<= ~a21~0 9) (<= ~a12~0 76) .cse2) (and .cse11 .cse1 .cse5 (= 7 ~a21~0)) (and .cse14 .cse1 .cse20) (and .cse8 .cse1 .cse9 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse21 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse22 (+ (* 5 aux_div_v_~a12~0_438_31) .cse21))) (and (< .cse21 5) (<= .cse22 366413) (< 366344 .cse22) (<= 0 .cse21) (<= (+ ~a12~0 600049) aux_div_v_~a12~0_438_31))))) .cse10) (and .cse1 .cse5 .cse20 .cse19) (and .cse7 .cse4 .cse1 .cse20) (and .cse18 .cse1 .cse19 .cse15) (and .cse6 .cse1 (<= (+ ~a12~0 44) 0) .cse10))) [2020-10-19 23:30:29,626 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:30:29,626 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:30:29,626 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:30:29,627 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:30:29,628 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,629 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 7)) (.cse17 (<= 7 ~a21~0)) (.cse16 (<= ~a21~0 7)) (.cse3 (<= 9 ~a21~0)) (.cse2 (<= 20 ~a12~0)) (.cse11 (<= (+ ~a12~0 49) 0)) (.cse14 (<= (+ ~a12~0 43) 0)) (.cse8 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse5 (<= ~a15~0 8)) (.cse7 (<= 0 (+ ~a12~0 41))) (.cse4 (<= ~a12~0 11)) (.cse20 (<= 10 ~a21~0)) (.cse18 (let ((.cse23 (div (+ ~a12~0 (- 600066)) 5))) (or (<= (+ .cse23 14) 0) (and (let ((.cse24 (+ ~a12~0 4))) (= .cse24 (* (div .cse24 5) 5))) (<= (+ .cse23 13) 0))))) (.cse19 (<= 95382 ~a12~0)) (.cse15 (<= ~a21~0 6)) (.cse6 (= 7 ~a15~0)) (.cse1 (= ~a24~0 1)) (.cse10 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 (not .cse6)) (and .cse7 .cse8 .cse4 .cse1 .cse9 .cse10) (and .cse3 .cse11 .cse1 .cse5) (and .cse8 .cse1 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse12 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse13 (+ (* 5 aux_div_v_~a12~0_438_31) .cse12))) (and (< .cse12 5) (<= ~a12~0 aux_div_v_~a12~0_438_31) (<= .cse13 366413) (< 366344 .cse13) (<= 0 .cse12))))) .cse10 .cse2) (and .cse0 .cse14 .cse15) (and .cse16 .cse0 .cse1) (and .cse17 .cse18 .cse1 .cse9 .cse2) (and (<= ~a24~0 1) .cse14 .cse5 .cse15) (and .cse1 .cse5 .cse19 .cse15) (and .cse7 .cse0 .cse3 .cse1) (and .cse0 .cse1 .cse20) (and .cse17 .cse7 .cse16 .cse4 .cse1 .cse5) (and .cse3 .cse1 (<= ~a21~0 9) (<= ~a12~0 76) .cse2) (and .cse11 .cse1 .cse5 (= 7 ~a21~0)) (and .cse14 .cse1 .cse20) (and .cse8 .cse1 .cse9 (exists ((aux_div_v_~a12~0_438_31 Int) (aux_div_aux_mod_v_~a12~0_438_31_31 Int)) (let ((.cse21 (* 5 aux_div_aux_mod_v_~a12~0_438_31_31))) (let ((.cse22 (+ (* 5 aux_div_v_~a12~0_438_31) .cse21))) (and (< .cse21 5) (<= .cse22 366413) (< 366344 .cse22) (<= 0 .cse21) (<= (+ ~a12~0 600049) aux_div_v_~a12~0_438_31))))) .cse10) (and .cse1 .cse5 .cse20 .cse19) (and .cse7 .cse4 .cse1 .cse20) (and .cse18 .cse1 .cse19 .cse15) (and .cse6 .cse1 (<= (+ ~a12~0 44) 0) .cse10))) [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:30:29,630 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:30:29,631 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:30:29,632 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:30:29,633 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,634 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:30:29,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,673 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,674 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,681 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:30:29 BoogieIcfgContainer [2020-10-19 23:30:29,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:30:29,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:30:29,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:30:29,687 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:30:29,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:29:18" (3/4) ... [2020-10-19 23:30:29,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:30:29,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:30:29,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:30:29,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:30:29,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:30:29,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) [2020-10-19 23:30:29,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) [2020-10-19 23:30:29,923 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:30:29,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:30:29,924 INFO L168 Benchmark]: Toolchain (without parser) took 74300.05 ms. Allocated memory was 34.6 MB in the beginning and 2.6 GB in the end (delta: 2.6 GB). Free memory was 14.3 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,925 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.02 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 13.4 MB in the beginning and 11.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.63 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 11.9 MB in the beginning and 16.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,926 INFO L168 Benchmark]: Boogie Preprocessor took 103.99 ms. Allocated memory is still 44.0 MB. Free memory was 16.1 MB in the beginning and 9.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,926 INFO L168 Benchmark]: RCFGBuilder took 1692.05 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 9.4 MB in the beginning and 35.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,927 INFO L168 Benchmark]: TraceAbstraction took 71295.42 ms. Allocated memory was 67.1 MB in the beginning and 2.6 GB in the end (delta: 2.6 GB). Free memory was 35.0 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,927 INFO L168 Benchmark]: Witness Printer took 235.99 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.3 kB). Peak memory consumption was 2.3 kB. Max. memory is 14.3 GB. [2020-10-19 23:30:29,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 822.02 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 13.4 MB in the beginning and 11.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 138.63 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 11.9 MB in the beginning and 16.1 MB in the end (delta: -4.2 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 103.99 ms. Allocated memory is still 44.0 MB. Free memory was 16.1 MB in the beginning and 9.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1692.05 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 9.4 MB in the beginning and 35.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 71295.42 ms. Allocated memory was 67.1 MB in the beginning and 2.6 GB in the end (delta: 2.6 GB). Free memory was 35.0 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 14.3 GB. * Witness Printer took 235.99 ms. Allocated memory is still 2.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.3 kB). Peak memory consumption was 2.3 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant [2020-10-19 23:30:29,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant [2020-10-19 23:30:29,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,961 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,962 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,962 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,963 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_v_~a12~0_438_31_31,QUANTIFIED] [2020-10-19 23:30:29,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_~a12~0_438_31,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((a15 <= 7 && a24 == 1) && 20 <= a12) || ((((9 <= a21 && a12 <= 11) && a24 == 1) && a15 <= 8) && !(7 == a15))) || (((((0 <= a12 + 41 && 8 <= a21) && a12 <= 11) && a24 == 1) && 9 <= a15) && a21 <= 8)) || (((9 <= a21 && a12 + 49 <= 0) && a24 == 1) && a15 <= 8)) || ((((8 <= a21 && a24 == 1) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && a12 <= aux_div_v_~a12~0_438_31) && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31)) && a21 <= 8) && 20 <= a12)) || ((a15 <= 7 && a12 + 43 <= 0) && a21 <= 6)) || ((a21 <= 7 && a15 <= 7) && a24 == 1)) || ((((7 <= a21 && ((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0))) && a24 == 1) && 9 <= a15) && 20 <= a12)) || (((a24 <= 1 && a12 + 43 <= 0) && a15 <= 8) && a21 <= 6)) || (((a24 == 1 && a15 <= 8) && 95382 <= a12) && a21 <= 6)) || (((0 <= a12 + 41 && a15 <= 7) && 9 <= a21) && a24 == 1)) || ((a15 <= 7 && a24 == 1) && 10 <= a21)) || (((((7 <= a21 && 0 <= a12 + 41) && a21 <= 7) && a12 <= 11) && a24 == 1) && a15 <= 8)) || ((((9 <= a21 && a24 == 1) && a21 <= 9) && a12 <= 76) && 20 <= a12)) || (((a12 + 49 <= 0 && a24 == 1) && a15 <= 8) && 7 == a21)) || ((a12 + 43 <= 0 && a24 == 1) && 10 <= a21)) || ((((8 <= a21 && a24 == 1) && 9 <= a15) && (\exists aux_div_v_~a12~0_438_31 : int, aux_div_aux_mod_v_~a12~0_438_31_31 : int :: (((5 * aux_div_aux_mod_v_~a12~0_438_31_31 < 5 && 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31 <= 366413) && 366344 < 5 * aux_div_v_~a12~0_438_31 + 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && 0 <= 5 * aux_div_aux_mod_v_~a12~0_438_31_31) && a12 + 600049 <= aux_div_v_~a12~0_438_31)) && a21 <= 8)) || (((a24 == 1 && a15 <= 8) && 10 <= a21) && 95382 <= a12)) || (((0 <= a12 + 41 && a12 <= 11) && a24 == 1) && 10 <= a21)) || (((((a12 + -600066) / 5 + 14 <= 0 || (a12 + 4 == (a12 + 4) / 5 * 5 && (a12 + -600066) / 5 + 13 <= 0)) && a24 == 1) && 95382 <= a12) && a21 <= 6)) || (((7 == a15 && a24 == 1) && a12 + 44 <= 0) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.0s, OverallIterations: 22, TraceHistogramMax: 18, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2544 SDtfs, 2253 SDslu, 154 SDs, 0 SdLazy, 13974 SolverSat, 1833 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7895 GetRequests, 7830 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8192occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 5340 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 106 NumberOfFragments, 851 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5958 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4346 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 28335 NumberOfCodeBlocks, 28335 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 28304 ConstructedInterpolants, 250 QuantifiedInterpolants, 108368323 SizeOfPredicates, 3 NumberOfNonLiveVariables, 9838 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 108776/110891 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...